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Finding the Fourth Proportional to 406,010,862.99, 560,279,987.87 and 220,367,892.87

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Solution

The fourth proportional to 406,010,862.99, 560,279,987.87 and 220,367,892.87 is: 304,099,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,862.99 : 560,279,987.87 = 220,367,892.87 : x
  2. Step 2: Convert to fraction form
    406,010,862.99/560,279,987.87 = 220,367,892.87/x
  3. Step 3: Cross multiply
    406,010,862.99x = 560,279,987.87 × 220,367,892.87
  4. Step 4: Simplify right side
    406,010,862.99x = 123,467,720,343,039,232
  5. Step 5: Solve for x
    x = 123,467,720,343,039,232/406,010,862.99
  6. Step 6: Final answer
    x = 304,099,549.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.